Bag



FIG. 1 is a perspective view of a bag showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines showing the zipper and portions of the bag are for the purposes of illustrating environment and form no part of the claimed design. 

CLAIM The ornamental design for a bag, as shown. 